322711380655 has 4 divisors (see below), whose sum is σ = 387253656792. Its totient is φ = 258169104520.

The previous prime is 322711380617. The next prime is 322711380661. The reversal of 322711380655 is 556083117223.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 322711380655 - 2⁷ = 322711380527 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32271138061 + ... + 32271138070.

It is an arithmetic number, because the mean of its divisors is an integer number (96813414198).

Almost surely, 2^322711380655 is an apocalyptic number.

322711380655 is a deficient number, since it is larger than the sum of its proper divisors (64542276137).

322711380655 is an equidigital number, since it uses as much as digits as its factorization.

322711380655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64542276136.

The product of its (nonzero) digits is 302400, while the sum is 43.

Adding to 322711380655 its reverse (556083117223), we get a palindrome (878794497878).

The spelling of 322711380655 in words is "three hundred twenty-two billion, seven hundred eleven million, three hundred eighty thousand, six hundred fifty-five".